Finding the Fourth Proportional to 94,671.84, 130,623.84 and 57,868.76
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Solution
The fourth proportional to 94,671.84, 130,623.84 and 57,868.76 is: 79,844.65
Step by Step Solution
- Step 1: Write the proportion equation
94,671.84 : 130,623.84 = 57,868.76 : x - Step 2: Convert to fraction form
94,671.84/130,623.84 = 57,868.76/x - Step 3: Cross multiply
94,671.84x = 130,623.84 × 57,868.76 - Step 4: Simplify right side
94,671.84x = 7,559,039,647.24 - Step 5: Solve for x
x = 7,559,039,647.24/94,671.84 - Step 6: Final answer
x = 79,844.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.